Explanation:

 In terms of Area, Arunachal Pradesh is the largest state in North East India with total area of 83,743 square km and with a total population of 1,383,727 it’s ranked sixth among the North Eastern States in terms of Population.
In terms of Population again, Assam is the largest state in North East India with total population of 31,205,576 which is 68% of the whole North Eastern Region’s total population i.e, out of 46 million and with total area of 78,438 square km it’s ranked second among the North Eastern States in terms of Area.